methopara is stands for METHOd PARAmeters.
INSTALL:
sudo gem install methopara --source http://merbi.st
REQUIREMENT:
Ruby-1.9.1 only.
USAGE:
require "rubygems" require "methopara" def foo(a,b=nil,&c) end method(:foo).parameters => [[:req, :a], [:opt, :b], [:block, :c]]